Presentation 4 ISDB-T Applications - DiBEG · 2011-08-02 · Digital broadcasting experts group ISDB-T Applications 12th.Feb. 2008 Lima,Peru DiBEG JAPAN Tomonori Inada (Fuji Television

Digital broadcasting experts group

ISDBISDB--TTApplicationsApplications

1212thth. Feb. 2008. Feb. 2008Lima,PeruLima,Peru

DiBEGDiBEG JAPANJAPANTomonori InadaTomonori Inada

(Fuji Television (Fuji Television Network,IncNetwork,Inc.).)

ISDBISDB--T SeminarT Seminar

Presentation Presentation 44

各社ロゴ（社名）

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ContentsContents

Features of ISDBFeatures of ISDB--TTApplications for Stationary ReceptionApplications for Stationary Reception

HDTV or Multi Channel SDTV ProgramHDTV or Multi Channel SDTV ProgramData BroadcastingData BroadcastingAdvanced Advanced CaptionCaptionEPG(ElectricEPG(Electric Program Guide)Program Guide)

Applications for Mobile ReceptionApplications for Mobile ReceptionOneOne--SegSeg ServiceServiceHDTV Mobile ReceptionHDTV Mobile Reception

Merits for BroadcastersMerits for Broadcasters

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Features of ISDBFeatures of ISDB--T systemT system

6MHz13 Segments

Stationary Reception

12 or 1 segment

MobileReception

Handheld terminalＨＤＴＶ

Home Receiver

12 segments

Receiver in Vehicle

TV stationTV station

(diversity reception)

1 segment

Support three reception typeswithin one channel

HD MobileReception

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HDTV HDTV

MultiMulti--channelchannel programprogram

• High quality image on wide screen and CD quality sound.

• Local news and weather forecast for viewers at any time.

Interactive TVInteractive TV• Transmission service to Mobile accesses

• Offers Interactive service

Mobile accessesMobile accessesData broadcastingData broadcasting

Powerful applications

•Standard quality multi-channel service

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Stationary ReceptionStationary Reception

HDTVHDTVMultiMulti--Channel ProgramsChannel ProgramsData Data BBroadcastingroadcastingInteractive ServicesInteractive ServicesAdvanced CaptionAdvanced CaptionEPG (Electric Program Guide)EPG (Electric Program Guide)

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HDTVDTV

High Definition Television ProgramHigh Definition Television ProgramThe high quality images on a 16The high quality images on a 16ｘｘ9 wide screen and 9 wide screen and

CDCD--quality sound make you feel as if you were at the quality sound make you feel as if you were at the theater. 5.1 multi channel audio can be transmitted.theater. 5.1 multi channel audio can be transmitted.

European broadcasters have opted for European broadcasters have opted for ““multimulti--channelchannel””strategy, but Japanese broadcasters have chosen to strategy, but Japanese broadcasters have chosen to take advantages of take advantages of ““high definitionhigh definition”” pictures.pictures.

HDTV is a killer application.HDTV is a killer application.

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Multi channel programMulti channel program

ISDBISDB--T can transmit multiple SDTV T can transmit multiple SDTV programs programs simultaneouslysimultaneously on a single on a single digital spectrum. digital spectrum.

SDSD--11 SDSD--22 SDSD--33

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Flexible ProgrammingFlexible Programming

HDTV

SDTV1 SDTV3

19:00

23:00

PrimeTime

Midnight

07:00

Time

SDTV2

HDTV

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Data broadcasting Data broadcasting -- additional service.additional service.By clicking on dBy clicking on d--button of a remote control unit, button of a remote control unit,

you can access your requested information such as you can access your requested information such as local weather forecast, 24H news and traffic local weather forecast, 24H news and traffic information, etc.information, etc.

Data broadcasting (1)Data broadcasting (1)

Local weather forecast Local news Traffic Information

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Data Data broadcasting (2)broadcasting (2)

Basic page formatBasic page format

Present time and date

TV station ad banner

Local weather information

News banner

Buttons to select

contents

Traffic Information banner

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2 types of data services:2 types of data services:ProgramProgram--linked contentslinked contents

Information service linked to onInformation service linked to on--air air programsprogramsAccessible during onAccessible during on--airair

NonNon--linked contentslinked contentsInformation service not linked to onInformation service not linked to on--

air programsair programsAccessible any timeAccessible any time

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ProgramProgram--linked data contentslinked data contentsOn-air program

Click on d-button

Basic page format

Linked data page format

ContentsMenu

Click on Menu button

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Data broadcasting (Data broadcasting (55))

ProgramProgram--linked data contentslinked data contentsLinked data top page

Cast

Story

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Interactive ServicesInteractive ServicesInteractive services is to realize the Interactive services is to realize the

interactive communicationsinteractive communications viavia internet line.internet line.

TV program system

Data program system

MUX MOD

Receiver

BML/Video Contents

Server

Encrypt Server

Clients Management

Server

Broadcasting station Home

Communication Contents Platform Receiver Receiver StorageStorage

Transmitter

InternetInternet

TCP/IＰｏｒ Analog modem

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Advanced CaptionAdvanced Caption

Closed Caption can be realizedClosed Caption can be realizedmore flexible manner.more flexible manner.Caption of several languages can be Caption of several languages can be

sent to receiver.sent to receiver.

Caption

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EPG(1)EPG(1)

EPG EPG ((Electronic Program Guide))An Electronic Program Guide (EPG) is An Electronic Program Guide (EPG) is

an interactive schedule of current and an interactive schedule of current and upcoming programs that a viewer can upcoming programs that a viewer can display ondisplay on--screen simply by pressing a screen simply by pressing a button on his remote control unit.button on his remote control unit.

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EPG(2)EPG(2)EPG provides a lot of program information, and you can book recording programswith remote easily.

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EPG(3)EPG(3)Broadcaster sends program-info data as SI(ServiceInformation) data.

How to displayprogram data isup to receivers.

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Mobile ReceptionMobile Reception

OneOne--SegSeg ServicesServicesHDTV Mobile ReceptionHDTV Mobile Reception

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OneOne--SegSeg service (1)service (1)

0

2000

4000

6000

8000

10000

12000

by Jun2006

July Aug Sep Oct Nov Dec Jan2006

Feb Mar Apr May Jun July

7.4 million One-Seg Mobile Phones were Shipped (by the end of Apr. 2007).(Unit: thousand)

7.4 million

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OneOne--SegSeg Service (2)Service (2)

The OneThe One--Seg service is transmitting Seg service is transmitting moving images to cell phones, car TVs, moving images to cell phones, car TVs, personal computers etc , so that you personal computers etc , so that you can enjoy Onecan enjoy One--SegSeg programs anytime programs anytime anywhere.anywhere.MeritsMerits

Stable reception in a mobile environment.Stable reception in a mobile environment.High quality video & audio in a mobile High quality video & audio in a mobile environment.environment.Robustness against noise and multiRobustness against noise and multi--pass.pass.

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Example parameterModulation QPSKCode Ratio 2/3Guard Interval 1/8Bit Rate 416 Kb/s

ExampleExample parameterparameterModulation QPSKModulation QPSKCode Ratio 2/3Code Ratio 2/3Guard Interval 1/8Guard Interval 1/8Bit Rate Bit Rate 416 Kb416 Kb//ss

Display ImageDisplay Image

Data serviceData serviceData service

On-air programOnOn--air programair program

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Video (H.264)approx. 180approx. 180--256256kbpskbpsAudio (AAC-SBR)

approx. 32-64kbpsData-cast (BML)

approx. 20-80kbps

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Example of Applications Example of Applications

TV shoppingTV shoppingThe service enables viewers to purchase commercial goods shown The service enables viewers to purchase commercial goods shown on shopping program.on shopping program.

Local serviceLocal serviceThe service can provide local information such as emergency alerThe service can provide local information such as emergency alerts, ts, local events, notice from local government or hospital. local events, notice from local government or hospital.

Coupon ticketCoupon ticketService enables to get coupon tickets such as grommet ,mService enables to get coupon tickets such as grommet ,movie, ovie, book.book.

Additional information serviceAdditional information serviceThe additional information linked to onThe additional information linked to on--air programs are air programs are supplement servicesupplement service such as information on athletes and celebrities, such as information on athletes and celebrities, recipes, questionnaire and answer to a quiz.recipes, questionnaire and answer to a quiz.

OneOne--Seg service (5)Seg service (5)

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OneOne--Seg service (6)Seg service (6)＜TOP＞

＜Fuji TV EPG＞

＜Top Recommendation＞

＜Current Program Information＞

＜Program Information＞

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OneOne--Seg Service (7)Seg Service (7)

＜ Fountain of trivia TOP＞

Contribution a seed of Trivia in secondary link

web site

To see Voting result in secondary link

web server

＜Voting of “Hee”＞＜Voting done＞

Voting the

number of “Hee”

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Unique & UnparalleledUnique & UnparalleledFeature in the world !Feature in the world !

No subscription feeNo subscription feeand

Powerful terrestrial Powerful terrestrial television contentstelevision contents

OneOne--Seg Service (8)Seg Service (8)

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HDTV Mobile ReceptionHDTV Mobile Reception

Reflected WaveReflected Wave

Direct WaveDirect Wave

Moving VehiclesMoving Vehicles

HDTV can be watched even in a moving vehicle HDTV can be watched even in a moving vehicle by using space diversity technology.by using space diversity technology.

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Diversity reception systemDiversity reception systemR

ecei

ving

leve

l

Spectrum

Branch#1

Branch#2

Branch#3

Branch#4

Tuner FFT

Diversity

combiner

Tuner FFT

Tuner FFT

Tuner FFTTime →

Channel estimate

Weight

SP

Maximal Ratio Combining withcarrier by carrier of OFDM signal

Stable output signal

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Comparison between Digital and AnalogComparison between Digital and AnalogComparison experiment between digital and analog Comparison experiment between digital and analog TV on a mobile environment.TV on a mobile environment.

Digital Broadcasting Analog Broadcasting

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Merits of ISDBMerits of ISDB--T for BroadcastersT for Broadcasters

Broadcasters have no extra payment for in-band mobile broadcasting.Broadcasters get more reach to people moving outside.

ISDB-Tmm is a next step of multi channel and multi media broadcasting with backward compatibility.

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Comparison table

NonIn service(DVB-H)

Planning(ISDB-Tmm)

Out-band Mobile service

In serviceIn service (Taiwan only )

In service6MHz System

CFP &Developing

Under studyIn serviceIn-band Mobile service

In servicePlanningIn serviceHDTV

ASTCDVB-TISDB-T

On commercial service

Technical development is almost done

It’s under going Difficult

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Digital Broadcasting Expert GroupDigital Broadcasting Expert Grouphttp://http://www.dibeg.orgwww.dibeg.orgmail: mail: [email protected]@dibeg.org

ISDBISDB--T seminar in T seminar in VenezueraVenezuera

Thank you Thank you for your attention !for your attention !

ENDEND

Documents

Presentation 4 ISDB-T Applications - DiBEG · 2011-08-02 · Digital broadcasting experts group ISDB-T Applications 12th.Feb. 2008 Lima,Peru DiBEG JAPAN Tomonori Inada (Fuji Television